javascript 导出 有点遗憾是因为 这个导出会带出一个网页框 , 可以用

function getXlsFromTbl(obj, title) {
    //var openPara = "left=" + (window.screen.width / 2 - width / 2) + ",top=" + (window.screen.height / 2 - height / 2) + ",scrollbars=no,width=" + width + ",height=" + height;
    var winname = window.open('', '_blank', 'height=100px,width=100px');
    var strHTML = document.getElementById(obj).innerHTML;
    winname.document.open('text/html', 'replace');
    winname.document.writeln(strHTML);
    var d = new Date();
    var curYear = d.getYear();
    var curMonth = "" + (d.getMonth() + 1);
    var curDate = "" + d.getDate();
    var curHour = "" + d.getHours();
    var curMinute = "" + d.getMinutes();
    var curSecond = "" + d.getSeconds();
    if (curMonth.length == 1) {
        curMonth = "0" + curMonth;
    }
    if (curDate.length == 1) {
        curDate = "0" + curDate;
    }
    if (curHour.length == 1) {
        curHour = "0" + curHour;
    }
    if (curMinute.length == 1) {
        curMinute = "0" + curMinute;
    }
    if (curSecond.length == 1) {
        curSecond = "0" + curSecond;
    }
    var fileName = title  + "_" + curYear + curMonth + curDate + curHour + curMinute + curSecond + ".xls";

    winname.document.execCommand('saveas', '', fileName);
    winname.close();
}
</script>

onclick 调用;      //getXlsFromTbl('tableToEXC',$("#my_title_name").text());

方法二  其实是同一个方法

    <SCRIPT LANGUAGE="javascript">
        function method1(tableid) {//整个表格拷贝到EXCEL中
            var curTbl = document.getElementById(tableid);
            var oXL = new ActiveXObject("Excel.Application");
            //创建AX对象excel
            var oWB = oXL.Workbooks.Add();
            //获取workbook对象
            var oSheet = oWB.ActiveSheet;
            //激活当前sheet
            var sel = document.body.createTextRange();
            sel.moveToElementText(curTbl);
            //把表格中的内容移到TextRange中
            sel.select();
            //全选TextRange中内容
            sel.execCommand("Copy");
            //复制TextRange中内容 
            oSheet.Paste();
            //粘贴到活动的EXCEL中      
            oXL.Visible = true;
            //设置excel可见属性
        }
        function method2(tableid) //读取表格中每个单元到EXCEL中
        {
            var curTbl = document.getElementById(tableid);
            var oXL = new ActiveXObject("Excel.Application");
            //创建AX对象excel
            var oWB = oXL.Workbooks.Add();
            //获取workbook对象
            var oSheet = oWB.ActiveSheet;
            //激活当前sheet
            var Lenr = curTbl.rows.length;
            //取得表格行数
            for (i = 0; i < Lenr; i++) {
                var Lenc = curTbl.rows(i).cells.length;
                //取得每行的列数
                for (j = 0; j < Lenc; j++) {
                    oSheet.Cells(i + 1, j + 1).value = curTbl.rows(i).cells(j).innerText;
                    //赋值
                }
            }
            oXL.Visible = true;
            //设置excel可见属性
        }
        function getXlsFromTbl(inTblId, inWindow) {
            try {
                var allStr = "";
                var curStr = "";
                //alert("getXlsFromTbl");
                if (inTblId != null && inTblId != "" && inTblId != "null") {
                    curStr = getTblData(inTblId, inWindow);
                }
                if (curStr != null) {
                    allStr += curStr;
                }
                else {
                    alert("你要导出的表不存在!");
                    return;
                }
                var fileName = getExcelFileName();
                doFileExport(fileName, allStr);
            }
            catch (e) {
                alert("导出发生异常:" + e.name + "->" + e.description + "!");
            }
        }
        function getTblData(inTbl, inWindow) {
            var rows = 0;
            //alert("getTblData is " + inWindow);
            var tblDocument = document;
            if (!!inWindow && inWindow != "") {
                if (!document.all(inWindow)) {
                    return null;
                }
                else {
                    tblDocument = eval(inWindow).document;
                }
            }
            var curTbl = tblDocument.getElementById(inTbl);
            var outStr = "";
            if (curTbl != null) {
                for (var j = 0; j < curTbl.rows.length; j++) {
                    //alert("j is " + j);
                    for (var i = 0; i < curTbl.rows[j].cells.length; i++) {
                        //alert("i is " + i);
                        if (i == 0 && rows > 0) {
                            outStr += " \t";
                            rows -= 1;
                        }
                        outStr += curTbl.rows[j].cells[i].innerText + "\t";
                        if (curTbl.rows[j].cells[i].colSpan > 1) {
                            for (var k = 0; k < curTbl.rows[j].cells[i].colSpan - 1; k++) {
                                outStr += " \t";
                            }
                        }
                        if (i == 0) {
                            if (rows == 0 && curTbl.rows[j].cells[i].rowSpan > 1) {
                                rows = curTbl.rows[j].cells[i].rowSpan - 1;
                            }
                        }
                    }
                    outStr += "\r\n";
                }
            }
            else {
                outStr = null;
                alert(inTbl + "不存在!");
            }
            return outStr;
        }
        function getExcelFileName() {
            var d = new Date();
            var curYear = d.getYear();
            var curMonth = "" + (d.getMonth() + 1);
            var curDate = "" + d.getDate();
            var curHour = "" + d.getHours();
            var curMinute = "" + d.getMinutes();
            var curSecond = "" + d.getSeconds();
            if (curMonth.length == 1) {
                curMonth = "0" + curMonth;
            }
            if (curDate.length == 1) {
                curDate = "0" + curDate;
            }
            if (curHour.length == 1) {
                curHour = "0" + curHour;
            }
            if (curMinute.length == 1) {
                curMinute = "0" + curMinute;
            }
            if (curSecond.length == 1) {
                curSecond = "0" + curSecond;
            }
            var fileName = "leo_zhang" + "_" + curYear + curMonth + curDate + "_"
            + curHour + curMinute + curSecond + ".csv";
            //alert(fileName);
            return fileName;
        }
        function doFileExport(inName, inStr) {
            var xlsWin = null;
            if (!!document.all("glbHideFrm")) {
                xlsWin = glbHideFrm;
            }
            else {
                var width = 6;
                var height = 4;
                var openPara = "left=" + (window.screen.width / 2 - width / 2)
                + ",top=" + (window.screen.height / 2 - height / 2)
                + ",scrollbars=no,width=" + width + ",height=" + height;
                xlsWin = window.open("", "_blank", openPara);
            }
            xlsWin.document.write(inStr);
            xlsWin.document.close();
            xlsWin.document.execCommand('Saveas', true, inName);
            xlsWin.close();
        }
</SCRIPT>

调用: onclick="javascript:getXlsFromTbl('tableExcel',null);"

原文地址:https://www.cnblogs.com/TNSSTAR/p/2852902.html